2x teleconverter compatible with Z mount. - Model name: TC-2.0x - Mount type: Z mount - Included items: Instruction manual, box, lens cap - Lens condition: Lens mount in good condition - Type: Teleconverter Thank you for viewing. I purchased this new online about six months ago and used it outdoors twice. I think it's a beautiful item. It has been stored in a dehumidified storage box. Thank you.